Posted by jdemaris on November 14, 2009 at 06:47:21 from (67.142.130.38):
In Reply to: HDTV Antenna posted by PopinJohn on November 13, 2009 at 17:39:25:
Just use the meter in your TV or converter box. They all have meters that give a reading that is a mix of signal strength and signal quality. An ohm-meter won't tell you a thing.
Remember that you can't just rotate the antenna to look for signals. You have to rotate a few degrees and then do a channel scan. Then rotate a few more and rescan, over and over. The TV will only work on those it has found, locked-into, and put into memory.
There is NO such thing as an HD antenna. But, you must have the correct one. Many TV stations changed bands during the change. So, some that were on VHF went over to UHF, and vice-versa. 14 - 51 UHF are the most common now, but several are using VHF 2-13 still.
If you have a VHF antenna, you won't get the many that changed to UHF. And, the converse.
Also, many stations move to different transmitter towers that may be a lot further away from you now.
Also keep in mind that with digital - there are now two channel numbers for each. "Virtual" and "actual" and that can get pretty confusing. Your TV will usually only show you the "virtual" channel. If you want to improve reception, you have to know what the actual channel is.
This was done so old-time TV stations could keep their original names.
For example - in my area of NY - Channel 12 is actually on VHF channel 7 now. Channel 13 is actually on VHF channel 12 now. Channel 10 is actually on UHF channel 26 now. Channel 2 is actually on UHF channel 29 now. Channel 40 (Fox 40)is actually on VHF channel 8 now.
Also, about coax, since somebody mentioned it. For your type of TV, RG59, RG6, or RG11 is used. RG59 is the cheapest and fine up to around 50 feet. RG6 cost a little more an pretty good up to around 200 feet. RG11 is the most expensive and can be used up to 300 feet before line-amps are needed.
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